Tank shut-off valve



FIG. 1 is a perspective view taken from the top, front and left side ofa tank shut-off valve showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof, the front being a mirrorimage of the rear as shown; and

FIG. 7 is an enlarged perspective view taken from the top, front andleft side of a second embodiment thereof.

The fragmentary broken line showing of a connecting pipe and taken FIG.1 is for purposes of illustration only and forms no part of the claimeddesign.

The ornamental design for a tank shut-off valve, as shown and described.